Sea shrimp, also known as red shrimp, red shrimp, and big blue shrimp, is the meat or the general name of all aquatic and marine shrimp. Shrimp is rich in nutrients and tastes delicious. It can be used as food or medicine. Shrimps are mainly distributed in the Yellow Sea, the Bohai Sea and the sea areas north of the Yangtze River estuary, and are a Chinese specialty.

In the dermis of aquatic crustaceans such as crabs and shrimps, there are a large number of pigments, most of which are cyan, so fresh shrimps and crabs are generally cyan.